Energy Absorption Characteristics of Triply Periodic Minimal Surface Lattices

Journal of physics(2023)

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摘要
Abstract Historically, structural equipment has been studied to determine the impact and protection of its components, and common energy-absorbing materials include honeycomb, foam, bellows, and expansion tubes. According to related analyses, topological metamaterial structures designed based on mathematically known non-self-intersecting three-periodic minimal surfaces (TPMS) may possess superior mechanical properties. It is demonstrated in this study that a solid structure with a TPMS of 10 mm × 10 mm × 10 mm is constructed based on the Schwarz Primitive surface. Analyses were conducted on the effects of element type and modeling conditions on simulation results. Based on the simulation results, the solid element exhibited better analysis accuracy than the shell element. The structure had a better energy absorption capability when its surface thickness was set at approximately 1.31 mm.
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